Sound Level Meter Trotec SL400

The four-digit display on the Sound Level Meter Trotec SL400 with additional bar graph is very easy to read in any environment thanks to the switchable LCD backlight.

The Sound Level Meter Trotec SL400  is a perfect solution for demanding sound level measurements with A- and C-frequency evaluation, fast / slow time evaluation and many other practice-oriented functions.

The handy format, the low weight and the key arrangement optimized for one-hand operation make this measuring instrument an ideal basic equipment for standard measurements in the areas of industry, work and environmental protection.

Additionally, the SL400 is equipped with a live logging function and has a data memory for recording up to 32,700 measured values. The data obtained can be easily transferred to a PC via USB for software-supported analysis. The SL400 can also be attached to the supplied mini-tripod for logging or permanent measuring projects.

Furthermore, an integrated 3.5 mm jack provides connectivity for frequency analyzers or X-Y plotter.

Benefits in practice:

• Accuracy class 2 according to IEC 61672
• Frequency evaluation according to characteristic curves A and C
• Maximum and minimum value display
• Memory for up to 32,700 readings
• Switchable time evaluation (fast / slow)
• Display light
• Bar graph display
• 1/4-inch tripod thread
• Data logger function
• Analysis software
• USB port and 3.5 mm jack socket
• Including calibration certificate

Technical details:

• Measuring range: 30-130 dB
• Accuracy: IEC 61672-1 Class 2, ANSI S1.4 Type 2
• Resolution: 0.1 dB
• Frequency range: 31.5 Hz – 8 kHz
• Dynamic range: 50 dB
• Partial measuring range (low): 30 … 80 dB
• Partial measuring range (medium): 50 … 100 dB
• Partial measuring range (high): 80 … 130 dB
• Partial measuring range (auto): 30 … 130 dB
• Response time: 500 ms
• Time evaluation: Slow (S) 1 s, Fast (F) 125 ms
• Microphone: Electret condenser microphone
• Power supply: 9 V block IEC 6LR61 / 6P22
• Operating time without battery change:> 30 h
• Operating Conditions: 0 to 40°C, 10 to 90% RH.
• Dimensions (L x W x H): 255 x 63 x 45 mm
• Weight: 305 g

Scope of delivery: Measuring instrument incl. Calibration certificate, power supply, mini tripod, USB cable, analysis software, operating manual and transport case